On-Chip Universal Linear Optics using a 4x4 Silicon Photonic Coherent Crossbar
George Giamougiannis, Miltiadis Moralis‐Pegios, Apostolos Tsakyridis, Nikos Bamiedakis, David Lazovsky, Nikos Pleros · 2023
We demonstrate the first on-chip and fidelity-restorable universal linear optical circuit that relies on a novel 4×4 silicon photonic coherent crossbar architecture. Its experimental characterization yields a fidelity of 99.93±0.06%, calculated over 10,000 arbitrary matrices.